{"book":"adl0290","page":640,"text":"۱۷۰\n\nابتداءً چند نفر مقرر شده بود؟\n(۱۹) ا یک کار را در همان وقت میکند که ب\nو ج کرده میتوانند پس اگر ا و ب کار\nمذکور را در ۱۰ روز و ج در ۵۰ روز کرده\nبتواند دریافت کنید که ب تنها در چند روز\nآنرا خواهد کرد ؟\n(۲۰) ا و ج یک کار را در ۱۰ روز و ب و ج\nدر ۱۵ روز و ا و ج در ۲۵ روز میکنند\nا و ب و ج ۴ روز یکجا کار مذکور را\nمی کنند و بعد ازان ا جدا میشود و ب\nو ج ۵ روز دیگر یکجا کار میکنند و بعد از\nآن ب نیز علحده می شود پس معلوم کنید\nکه ج کار باقیمانده را در چند روز کرده\nمیتواند ؟\n(۲۱) یک کاریز یک حوض را در ۳۰ دقیقه و\nدیگر در ۴۰ دقیقه پر میکند و هر دو کاریز\nدر یک وقت باز کرده شده است پس\nمعلوم کنید که کاریز اول بعد از چند دقیقه\nبند شود که بعد ازآن حوض مذکور در ۱۰ دقیقه","chars":662,"image":"https://storage.googleapis.com/adl-page-images/adl0290/00640.jpg","first_page":1,"last_page":1089,"title":"ʻIlm-i ḥisābعالم حساب","permalink":"https://afghanpress.org/book/adl0290/640","canvas":"https://afghanpress.org/iiif/adl0290/canvas/640","source":"https://afghanistandl.nyu.edu/books/adl0290/","source_pdf":"https://afghanistandl.nyu.edu/pdf/adl0290_download.pdf","rights":{"image":{"statement":"Public domain. NYU states: \"All works presented on this website are, unless otherwise indicated, in the public domain. The images available on this website may be freely reproduced, distributed and transmitted by anyone for any purpose, commercial or non-commercial.\"","uri":"http://rightsstatements.org/vocab/NoC-US/1.0/","holder":"New York University Libraries","source":"https://afghanistandl.nyu.edu/about.html","delivery":"Images are served from a copy mirrored by this project, not from NYU's servers, under the reproduction terms above.","endorsement":"This is an independent project. It is not affiliated with, endorsed by, or reviewed by New York University."},"text":{"statement":"Machine-generated transcription, dedicated to the public domain under CC0 1.0. No warranty of accuracy: see the provenance block on every page.","uri":"https://creativecommons.org/publicdomain/zero/1.0/","holder":"Steps Ventures"}},"provenance":{"text_produced_by":"gemini-3.1-pro-preview","thinking_level":"low","read_completed":"2026-08-09","per_page_confidence":null,"per_page_confidence_note":"Not recorded during the corpus run. No calibrated per-page score exists, and none is estimated here.","human_reviewed":false,"accuracy_context":"Roughly two thirds of characters agree with a modern printed edition of the same text. Much of the disagreement is editorial, not misreading. Treat the transcription as a finding aid and read the page image before quoting.","primary_source":"The page image. The text is an index into it."}}